An example of the internationalized map failing.
For the Hungarian city Szeged the international maps in English as well as Norwegian shows the name of the town https://en.wikipedia.org/wiki/Szeged as Segedin. It looks from the OpenStreetMap (see https://www.openstreetmap.org/relation/1025105#map=11/46.2601/20.1405 ) as if it is taken from the name:sr-Latn tag.
Note that there is no name:en tag for that relation.
The map in Norwegian:
This is also how it appears without any "lang" setting in no.wikipedia
Without any "lang" setting the name is presented as Szeged for maps.wikimedia.org.